A game in which one friend goes up to the friendly neighborhood homophobe, slaps his ass and/or gives him a stiff credit card and screams in the gayest voice possible: Hello Sailor!
Note: it helps to add a lisp to the sailor part.
I saw the football players playing a rousing game of Hello Sailor! in the parking lot.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi